[1850] - Khorne Daemonkin - Rate my list - Khorne Daemonkin

Pretty simple question to answer I want to know how competitive you'd find this list as is (no changes) if you had to face it with your best army list. Rate then comment

Comment on the following points
- Would you win on pure brute strength? rulebook mission objectives? both?
- Would you need to list tailor to win or can your standard list take it down?
- What would you find most challenging to deal with in this list, what are you most concerned about?
- How would you rate yourself as a 40k player on a scale of 1-10 (1 being a Novice brand new to the game, 10 international/global tournament winner (top 8))